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best selling products Waterproof rock wool board Product introduction Waterproof rock wool board mainly basalt and other natural ore as the main raw material,Website:http://www.tongshengrockwool.com, the high temperature melting fiber, adding the right amount of adhesive, curing process and made of tubular insulation materials. Rockwool insulation pipe with low thermal conductivity, high temperature, non-flammable fire, construction convenience and high cost performance advantages. Can be used for a variety of pipe insulation, energy saving and antifreeze.